Flatness detector of an x-ray apparatus for medical treatment



FIG. 1 is a front, top and left side perspective view of a flatness detector of an X-ray apparatus for medical treatment, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof. 

The ornamental design for a flatness detector of an X-ray apparatus for medical treatment, as shown and described. 